bypassing combine and base definition from yui->config when running i…
…n the server side to avoid side effects of the loader trying to load stuff from CDN when running on the server side
removing appConfig->yui from the client runtime init structure since …
…it is already set by YUI.applyConfig, avoid calling for store when it is really not needed.
consolidating yui.config.groups.app setting. defining a way for other…
… RS addons to control it through getAppGroupConfig method.
Merge branch 'develop-perf' of git://github.com/yahoo/mojito into yui…